Houston Astros defeat Chicago Cubs, 3-1

HOUSTON -- After one start back from a six-week bullpen stretch, the only thing the Cubs know about Carlos Zambrano II is that it's still anybody's guess what he'll provide this season as a starter.

For now, they only know that they didn't get the boost manager Lou Piniella said he hoped they'd get from Z's rain-delayed return in Houston on Friday night.

In fact, if anything, he was just another face on the mound for the same old story everywhere else with the team -...